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Evaxion Biotech jumps over 10% after AI engine uncovers new CMV vaccine targets

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November 20 2025 10:47AM

Evaxion Biotech AS (NASDAQ:EVAX) shares surged 10.6% on Thursday after the clinical-stage TechBio company revealed promising advances in its cytomegalovirus (CMV) vaccine candidate, EVX-V1.

The Copenhagen-based firm said its AI-Immunology™ discovery system has identified a new set of CMV antigens that markedly reduce viral activity in preclinical testing. These previously unexplored antigens produced targeted immune responses, blocked viral infection, and limited cell-to-cell transmission in both cell-based and animal infection models.

EVX-V1 integrates these fresh AI-derived antigens with AI-enhanced versions of traditional CMV vaccine components. Notably, Evaxion’s proprietary AI-optimized pre-fusion glycoprotein B (gB) antigen outperformed conventional gB antigens, demonstrating stronger CMV neutralization.

“We are very excited by the new data demonstrating the unique capability of AI-Immunology™ to find novel protective vaccine targets where no others have been able to do so,” said Birgitte Rønø, CSO and interim CEO of Evaxion.

The company continues to progress EVX-V1 through preclinical development, expanding its analysis and refinement of the antigens. At the same time, Evaxion is evaluating partnership opportunities to help accelerate the program toward non-clinical and clinical testing stages.

Despite decades of research, CMV still lacks an approved vaccine and remains a major unmet medical challenge. Evaxion’s multi-antigen approach is designed to broaden the potential protection of its candidate by targeting the virus through multiple complementary mechanisms.

Evaxion Biotech stock price

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